package t20211225;

/**
 * @Author: DengJia
 * @Date: 2021/12/25 9:31
 * @Description:
 */

public class Snow {
}

class Powder extends Snow {
}

class White extends Snow {
}

class Light extends Powder {
}

class Heavy extends Powder {
}

class Crusty extends White {
}

class Slush extends White {
}

